.page-home{
  --home-gap: clamp(44px, 6vw, 84px);
  --home-rule: 1px solid var(--line-dark);
  --home-rule-soft: 1px solid var(--line-dark-soft);
  --home-mini-pad: clamp(16px, 2.4vw, 22px);
  background: var(--paper);
  color: var(--text);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-home .home-context{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 20px;
  padding: clamp(16px, 2vw, 24px) 0 10px;
  border-bottom: var(--home-rule-soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--graphite);
}
.page-home .home-context p{ margin: 0; }

/* ---------- 首屏拼贴 ---------- */
.page-home .hero{
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  padding-top: clamp(20px, 3vw, 34px);
}

.page-home .hero__main{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.4vw, 26px);
  overflow: hidden;
  padding: clamp(24px, 4vw, 52px);
  border: 1px solid rgba(14, 27, 42, .55);
  border-radius: var(--r);
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow-panel);
}
.page-home .hero__main::before{
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--copper), rgba(192, 138, 62, 0) 72%);
}
.page-home .hero__main .eyebrow{ color: var(--copper); }

.page-home .hero h1{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 5vw, 54px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-home .hero__lead{
  margin: 0;
  max-width: 34em;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: rgba(244, 241, 234, .8);
}

.page-home .hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.page-home .hero__actions .btn{
  transition: transform .14s ease;
}
.page-home .hero__actions .btn:active{
  transform: translateY(2px);
}

.page-home .hero__stats{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: clamp(14px, 2vw, 20px) 0 0;
  border-top: 1px solid var(--line-light);
  list-style: none;
}
.page-home .stat__num{
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.1;
  color: var(--copper);
}
.page-home .stat__label{
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(244, 241, 234, .6);
}

.page-home .hero__side{
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  align-content: start;
}

.page-home .hero__fig{
  margin: 0;
  overflow: hidden;
  border: var(--home-rule);
  border-radius: var(--r);
  background: var(--stone);
}
.page-home .hero__fig .fig__frame{
  aspect-ratio: 3 / 2;
  background: var(--stone);
}
.page-home .hero__fig img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .hero__fig .fig__cap{
  padding: 9px 14px;
  border-top: var(--home-rule-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--graphite);
}

.page-home .hero__mini{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--home-mini-pad) var(--home-mini-pad) var(--home-mini-pad) calc(var(--home-mini-pad) + 8px);
  border: var(--home-rule);
  border-radius: var(--r);
  background: var(--paper);
  box-shadow: var(--shadow-panel);
}
.page-home .hero__mini::after{
  content: "";
  position: absolute;
  top: 16px; left: 0;
  width: 3px; height: 26px;
  background: var(--signal);
}
.page-home .hero__mini .eyebrow{ color: var(--graphite); }
.page-home .hero__mini-title{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--ink);
}
.page-home .hero__mini p{
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--graphite);
}
.page-home .hero__mini a{
  align-self: flex-start;
  margin-top: 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.page-home .hero__mini a:hover{ color: var(--copper); }

@media (min-width: 920px){
  .page-home .hero{
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

/* ---------- 章节框架 ---------- */
.page-home .home-section{ padding-top: var(--home-gap); }

.page-home .section-head{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(12px, 2vw, 28px);
  align-items: start;
  margin-bottom: clamp(18px, 2.6vw, 30px);
  padding-top: clamp(16px, 2vw, 24px);
  border-top: var(--home-rule-soft);
}
.page-home .section-num{
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(40px, 7vw, 88px);
  line-height: .88;
  letter-spacing: -.03em;
  color: var(--copper);
}
.page-home .section-head__body h2{
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.1vw, 38px);
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--ink);
}
.page-home .section-head__body p{
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}
.page-home .section-head__body a{
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 99, 43, .5);
}
.page-home .section-tail{
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-home .section-tail a{
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 99, 43, .5);
}

/* ---------- 四组栏目标签带 ---------- */
.page-home .group-tabs,
.page-home .version-tabs{
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 10px;
  margin-bottom: 10px;
  border-bottom: var(--home-rule-soft);
  scrollbar-width: thin;
}
.page-home .group-tabs .filter-chip,
.page-home .version-tabs .filter-chip{
  flex: 0 0 auto;
  white-space: nowrap;
}
.page-home .filter-count{
  margin: 0 0 14px;
  min-height: 1.2em;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--graphite);
}

.page-home .group-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-home .group-card{
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 16px 16px 18px;
  border: var(--home-rule);
  border-top-width: 3px;
  border-top-color: var(--copper);
  border-radius: var(--r);
  background: var(--paper);
  box-shadow: var(--shadow-panel);
}
.page-home .group-card--version{ border-top-color: var(--fog); }
.page-home .group-card--case{ border-top-color: var(--clay); }
.page-home .group-card--faq{ border-top-color: var(--moss); }
.page-home .group-card h3{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
}
.page-home .group-card p{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}
.page-home .group-card .meta{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--graphite);
}
.page-home .group-card a{
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  font-weight: 700;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.page-home .group-card a:hover{ color: var(--copper); }

.page-home [data-filter-item][hidden]{ display: none; }

.page-home .path-fig{
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  overflow: hidden;
  border: var(--home-rule);
  border-radius: var(--r);
  background: var(--stone);
}
.page-home .path-fig .fig__frame{
  aspect-ratio: 16 / 7;
  background: var(--stone);
}
.page-home .path-fig img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .path-fig .fig__cap{
  padding: 10px 14px;
  border-top: var(--home-rule-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--graphite);
}

@media (min-width: 640px){
  .page-home .group-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1060px){
  .page-home .group-grid{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ---------- 验证步骤 ---------- */
.page-home .flow-arrow{
  display: block;
  width: min(200px, 55%);
  height: auto;
  margin: 0 0 clamp(14px, 2vw, 20px) auto;
  color: var(--copper);
}

.page-home .steps{
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .step{
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 14px 14px;
  border: var(--home-rule);
  border-left: 3px solid var(--copper);
  border-radius: var(--r);
  background: var(--stone);
  transition: border-left-color .18s ease, transform .18s ease;
}
.page-home .step:hover{ border-left-color: var(--signal); }
.page-home .step__index{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--signal);
}
.page-home .step h3{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink);
}
.page-home .step p{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text);
}
.page-home .step__note{
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--graphite);
  border-top: 1px dashed var(--line-dark);
  padding-top: 8px;
}

.page-home .callout{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 22px;
  margin-top: clamp(16px, 2.2vw, 22px);
  padding: 14px 18px;
  border: 1px solid var(--line-copper);
  border-left: 3px solid var(--signal);
  border-radius: var(--r);
  background: var(--paper);
}
.page-home .callout p{
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text);
}

@media (min-width: 820px){
  .page-home .steps{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (hover: hover) and (min-width: 820px){
  .page-home .step__note{
    max-height: 0;
    padding-top: 0;
    border-top-width: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .22s ease, opacity .22s ease, padding-top .22s ease, border-top-width .22s ease;
  }
  .page-home .step:hover .step__note,
  .page-home .step:focus-within .step__note{
    max-height: 140px;
    padding-top: 8px;
    border-top-width: 1px;
    opacity: 1;
  }
  .page-home .step:hover{ transform: translateY(-2px); }
}

/* ---------- 版本差异 ---------- */
.page-home .version-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-home .version-card{
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 20px;
  border: var(--home-rule);
  border-radius: var(--r);
  background: var(--paper);
}
.page-home .version-card--current{
  border-color: var(--moss);
  box-shadow: var(--shadow-panel);
}
.page-home .version-card h3{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}
.page-home .version-list{
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}
.page-home .version-list li{ margin-bottom: 4px; }

.page-home .version-foot{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
  align-items: center;
  margin-top: clamp(18px, 2.6vw, 28px);
}
.page-home .version-foot .fig{ margin: 0; }
.page-home .version-foot .fig__frame{
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: var(--home-rule);
  border-radius: var(--r);
  background: var(--stone);
}
.page-home .version-foot img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .version-foot .fig__cap{
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--graphite);
}
.page-home .version-foot__body p{
  margin: 0 0 16px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text);
}

@media (min-width: 820px){
  .page-home .version-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .version-foot{ grid-template-columns: 5fr 7fr; }
}

/* ---------- 新访客路线 ---------- */
.page-home .visitor-layout{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
  align-items: start;
}
.page-home .route-list{
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .route{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 15px 16px 16px;
  border: var(--home-rule);
  border-radius: var(--r);
  background: var(--stone);
}
.page-home .route__idx{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--copper);
  padding-top: 3px;
}
.page-home .route h3{
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}
.page-home .route p{
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}
.page-home .route a{
  font-size: 13px;
  font-weight: 700;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.page-home .route a:hover{ color: var(--copper); }

.page-home .visitor-fig{ margin: 0; }
.page-home .visitor-fig .fig__frame{
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: var(--home-rule);
  border-radius: var(--r);
  background: var(--stone);
}
.page-home .visitor-fig img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .visitor-fig .fig__cap{
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--graphite);
}

@media (min-width: 860px){
  .page-home .visitor-layout{ grid-template-columns: 7fr 5fr; }
}

/* ---------- 人工协助 ---------- */
.page-home .assist{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(22px, 4vw, 46px);
  border-radius: var(--r);
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow-panel);
}
.page-home .assist .eyebrow{ color: var(--copper); }
.page-home .assist h2{
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3vw, 36px);
  line-height: 1.24;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-home .assist p{
  margin: 0 0 12px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(244, 241, 234, .8);
}
.page-home .assist .btn{ margin-top: 6px; }

.page-home .assist-card{
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  background: rgba(244, 241, 234, .04);
}
.page-home .contact-line{
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.page-home .contact-line__key{
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--copper);
}
.page-home .contact-line__val{
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

@media (min-width: 860px){
  .page-home .assist{ grid-template-columns: 7fr 5fr; align-items: start; }
}

@media (prefers-reduced-motion: reduce){
  .page-home .step,
  .page-home .step__note,
  .page-home .hero__actions .btn{
    transition: none;
  }
  .page-home .step:hover{ transform: none; }
}
<<<END>>>